Characterization of graphs with exactly two non-negative eigenvalues

URN:NBN:SI:doc-YT2MXUM02017Oboudi, Mohammad Rezadocuments/doc/Y/URN_NBN_SI_doc-YT2MXUM0_001.pdfdocuments/doc/Y/URN_NBN_SI_doc-YT2MXUM0_001.txt122articlestr. 271-286181645691855-3966URN:NBN:SI:doc-YT2MXUM0engUniverza na Primorskem, Fakulteta za matematiko, naravoslovje in informacijske tehnologijeArs mathematica contemporaneaBYgrafilastne vrednosti grafovspekterCharacterization of graphs with exactly two non-negative eigenvalues